Physics How much mechanical work must be done to completely melt 1 gram of ice at 0°C ? 80 J 4.2 J 336 J 2268 J 80 J 4.2 J 336 J 2268 J ANSWER DOWNLOAD EXAMIANS APP
Physics Time of exposure required for taking photograph of an object depends upon the Proximity of object Skill of photographer Size of the object Brightness of the object Proximity of object Skill of photographer Size of the object Brightness of the object ANSWER DOWNLOAD EXAMIANS APP
Physics Which is evidence that supports the dynamo theory? Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity Convection occurs in Earth's inner core Granite and basalt conduct electricity Earth's core contains a large amount of iron Earth's outer core contains liquid that conducts electricity ANSWER DOWNLOAD EXAMIANS APP
Physics A man standing at the top of a tower has two spheres A and B. He drops sphere A downwards and throws sphere B horizontally at the same time. Which of the following is correct ? A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. A will reach the ground first. B will reach the ground first. The question is incomplete because the masses of the spheres are not given. Both the spheres will reach the ground simultaneously. ANSWER DOWNLOAD EXAMIANS APP
Physics In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to 100 N 10 N 0.1 N 1 N 100 N 10 N 0.1 N 1 N ANSWER DOWNLOAD EXAMIANS APP
Physics For a freely falling body, the sum of kinetic energy and potential energy is always Zero Unity Same Variable Zero Unity Same Variable ANSWER DOWNLOAD EXAMIANS APP
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